Manual type simple hydrostatic testing machine for experiment

Abstract

The utility model provides a manual type simple hydraulic pressure testing machine for experiments, which comprises a manual pressure testing pump, a sealed cabin upper cover and a sealed cabin body, and a pressurizing port of the manual pressure testing pump is communicated with a water inlet at the top end of the sealed cabin upper cover through a pressurizing water pipe; the first connecting flange at the lower end of the sealed cabin upper cover is detachably connected with the second connecting flange at the top end of the sealed cabin body through a plurality of locking bolts. According to the utility model, water is injected into the sealed cabin body through the manual pressure test pump, and the water pressure in the sealed cabin body is controlled to reach a certain hydraulic pressure condition, so that the test requirements of the water absorption rate and the compressive strength of the material are met; and the device is reasonable and novel in design, simple and convenient to operate, good in applicability, high in efficiency and stable in performance, the hydrostatic pressure resistance can be randomly adjusted in a range, and the test precision and the test efficiency are improved.

Description

Technical Field

[0001] The utility model relates to a water pressure testing machine, in particular to a manual simple experimental water pressure testing machine. Background Art

[0002] With the rapid development of economy and the continuous improvement of living conditions, the high quality of buildings is an inevitable trend. On the other hand, subways, tunnels and marine projects are increasing day by day, so the quality of engineering waterproof materials plays a vital role in the engineering quality of these construction projects. It is related to the use value, use conditions and sanitary conditions of buildings, and affects people's production activities, work and life quality. New building waterproof materials need to be tested before use, and they can only be put into use after passing the test. And due to the development of science and technology, more and more new building waterproof materials are used in waters or seas. Conventional laboratories can only test the water absorption rate of materials, but cannot test the impact of water pressure on material performance. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a manual simple experimental water pressure testing machine for testing the water absorption rate and compressive strength of materials under a certain hydraulic pressure in a laboratory.

[0004] The utility model adopts the following technical solutions to solve the above technical problems:

[0005] A manual simple experimental hydraulic testing machine comprises a manual pressure test pump, a sealed cabin cover and a sealed cabin body, wherein: the pressure port of the manual pressure test pump is connected with the water inlet at the top of the sealed cabin cover through a pressure water pipe; the first connecting flange at the lower end of the sealed cabin cover and the second connecting flange at the top of the sealed cabin body are detachably connected by a plurality of locking bolts.

[0006] Preferably, the manual pressure test pump comprises a water tank, a pump cabin, a pump body, a plunger, and a pressure rod, wherein:

[0007] The pump cabin is arranged at one end of the water tank, the pump body is installed therein, and the pump body is installed with the plunger which can be compressed and lifted up and down;

[0008] The middle front end of the pressure rod is hingedly connected to the top end of the plunger, and the front end is hingedly connected to a fixing plate fixedly arranged on the pump body through a connecting rod.

[0009] Preferably, the manual pressure test pump further includes a water suction port and a pressure port, wherein:

[0010] The water suction port is arranged at the lower end of the inner side wall of the pump cabin, is located at the bottom of the water tank, and is communicated with the bottom of the pump body;

[0011] The pressurizing port is located on the side wall of the pump body and is communicated with the pump body, and cooperates with the plunger and the pressure rod to form a well-pressurizing manual water pump structure.

[0012] More preferably, the manual pressure test pump further includes a pressure test pump ball valve, a four-way joint, a water pressure gauge and a pressure relief valve, wherein:

[0013] One end of the pressure test pump ball valve is threadedly connected to the pressure port, and the other end is threadedly connected to the four-way joint;

[0014] The other end of the four-way joint is connected to the pressurized water pipe, the water pressure gauge is threadedly installed on the top, and the pressure relief valve is installed on the side end.

[0015] Preferably, the manual pressure test pump further includes an anti-slip pad or a walking wheel, wherein:

[0016] There are four anti-skid pads or four running wheels, which are respectively installed at the four corners of the bottom of the water tank.

[0017] Preferably, the other end of the pressurized water pipe is threadedly connected to the water inlet at the top end of the sealed cabin upper cover through a sealed cabin ball valve.

[0018] Preferably, the sealed cabin upper cover comprises a conical cover body, a first connecting flange and an upper cover connector which are coaxially arranged, wherein:

[0019] The cone cover body is a conical cylindrical structure, and its bottom circumference is welded to the first connecting flange, and the top is connected to the upper cover connecting head and welded.

[0020] Preferably, the sealed cabin body comprises a sealing cylinder, a base and a second connecting flange arranged coaxially, wherein:

[0021] The sealing cylinder is a hollow cylindrical structure, the bottom of which is welded to the base, and the top peripheral body is welded to the second connecting flange.

[0022] Preferably, the manual simple experimental hydraulic testing machine further comprises a sealing gasket, wherein:

[0023] The sealing gasket is made of rubber and is sealed and installed between the second connecting flange and the first connecting flange through the locking bolts.

[0024] Preferably, the sealed cabin upper cover and the sealed cabin body are both integral structures, and are both made of stainless steel or aluminum alloy.

[0025] The utility model adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0026] The utility model provides a manual simple experimental water pressure testing machine, which is mainly composed of a manual pressure testing pump, a sealed cabin upper cover and a sealed cabin body. The pressurizing port of the manual pressure testing pump is connected with the water inlet at the top of the sealed cabin upper cover through a pressurized water pipe; the sealed cabin upper cover and the sealed cabin body are detachably connected by a flange through a plurality of locking bolts, a new material to be tested is placed in the sealed cabin body, water is injected into the sealed cabin body through the manual pressure testing pump, and the water pressure in the sealed cabin body is controlled to reach a certain hydraulic condition to meet the material water absorption rate and compressive strength test requirements; and the water pressure testing machine has a reasonable and novel structural design, is simple and convenient to operate, has good applicability, realizes that the hydrostatic pressure resistance can be arbitrarily adjusted within a range, has high efficiency, stable performance, and improves test accuracy and test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The utility model is a three-dimensional structure diagram of a manual simple experimental water pressure testing machine Figure 1 ;

[0028] Figure 2 The utility model is a three-dimensional structure diagram of a manual simple experimental water pressure testing machine Figure 2 ;

[0029] Figure 3 This is a schematic diagram of the main structure of a manual simple experimental water pressure testing machine of the utility model;

[0030] Figure 4 It is a cross-sectional structural schematic diagram of a manual simple experimental water pressure testing machine of the utility model;

[0031] Figure 5 The three-dimensional structure of the manual pressure test pump in the manual simple experimental water pressure test machine of the utility model is shown in FIG. Figure 1 ;

[0032] Figure 6 The three-dimensional structure of the manual pressure test pump in the manual simple experimental water pressure test machine of the utility model is shown in FIG. Figure 2 ;

[0033] Figure 7 The utility model is a three-dimensional structure diagram of the upper cover of the sealed cabin in a manual simple experimental water pressure testing machine. Figure 1 ;

[0034] Figure 8 The utility model is a three-dimensional structure diagram of the upper cover of the sealed cabin in a manual simple experimental water pressure testing machine. Figure 2 ;

[0035] Fig. 9 The utility model is a schematic diagram of the three-dimensional structure of the sealing cabin body in a manual simple experimental water pressure testing machine. Figure 1;

[0036] Fig.10 The utility model is a schematic diagram of the three-dimensional structure of the sealing cabin body in a manual simple experimental water pressure testing machine. Figure 2 . DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0038] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0039] In some embodiments, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a manual simple experimental hydraulic testing machine is provided, which mainly includes a manual pressure test pump 100, a pressurized water pipe 200, a sealed cabin cover 300, a sealed cabin body 400 and a plurality of locking bolts 500.

[0040] Specifically, the pressurizing port 109 of the manual pressure test pump 100 is connected to the water inlet at the top of the sealed cabin cover 300 through the pressurized water pipe 200; the first connecting flange 302 at the lower end of the sealed cabin cover 300 and the second connecting flange 403 at the top of the sealed cabin body 400 are detachably connected using a plurality of locking bolts 500, and a closed sealed test cabin is formed between the sealed cabin cover 300 and the sealed cabin body 400 for testing the water absorption rate and compressive strength of materials under different water pressures.

[0041] Specifically, Figure 5 and Figure 6 As shown, the manual pressure test pump 100 mainly includes a water tank 101, a pump cabin 102, a pump body 103, a plunger 104, a pressure rod 105, a water suction port 108, a pressurizing port 109, a pressure test pump ball valve 310, a four-way joint 311, a water pressure gauge 312 and a pressure relief valve 313.

[0042] Among them, the pump cabin 102 is arranged at one end of the water tank 101, in which the pump body 103 is installed, and the pump body 103 is installed with the plunger 104 which can be compressed and lifted up and down; the middle front end of the pressure rod 105 is hingedly connected to the top end of the plunger 104, and the front end end is hingedly connected to the fixed plate 107 fixedly arranged on the pump body 103 through a connecting rod 106.

[0043] The water suction port 108 is arranged at the lower end of the inner wall of the pump cabin 102, and is located at the bottom position of the water tank 101, and is connected with the bottom of the pump body 103; the pressurizing port 109 is located on the side wall of the pump body 103, and is connected with the pump body 103, and cooperates with the plunger 104 and the pressure rod 105 to form a well-pressurizing manual water pump structure. By manually pressing the pressure rod 105, the water in the water tank 101 is pressed into the sealed cabin cover 300 and the sealed cabin body 400 through the pressurized water pipe 200 to form a closed sealed test cabin for material water absorption rate and pressure resistance strength testing.

[0044] One end of the pressure test pump ball valve 310 is threadedly connected to the pressurization port 109, and the other end is threadedly connected to the four-way joint 311; the other end of the four-way joint 311 is connected to the pressurized water pipe 200, the top thread is installed with the water pressure gauge 312, and the side end is installed with the pressure relief valve 313. The water pressure in the sealed test cabin is observed in real time through the water pressure gauge 312, and the water pressure in the sealed test cabin is reduced through the pressure relief valve 313 after the test is completed, and then the sealed cabin cover 300 and the sealed cabin body 400 are disassembled.

[0045] In addition, an anti-skid pad 114 is installed on the bottom plate of the manual pressure test pump 100 to improve the stability of the manual pressure test pump 100 during use and avoid shaking during use. As needed, walking wheels can also be installed on the bottom of the manual pressure test pump 100 to facilitate the transfer of the hydraulic test machine and improve its flexibility of use.

[0046] Specifically, there are four anti-skid pads 114 or four brakeable running wheels, which are respectively installed at the four corners of the bottom of the water tank 101. The anti-skid pads 114 are made of rubber, and the running wheels are brakeable running wheels.

[0047] In some of the embodiments, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the pressurized water pipe 200 adopts a pressure-resistant soft water pipe, one end of the pressurized water pipe 200 is connected to the four-way joint 311, and the other end of the pressurized water pipe 200 is threadedly connected to the water inlet at the top of the sealed cabin cover 300 through the sealed cabin ball valve 201.

[0048] In some of the embodiments, Figure 7 and Figure 8As shown, the sealed cabin upper cover 300 is an integrated welded structure, which is made of stainless steel or aluminum alloy. The sealed cabin upper cover 300 includes a conical cover body 301, a first connecting flange 302 and an upper cover connector 303 arranged coaxially. The conical cover body 301 is a conical cylindrical structure, and its bottom circumference is welded to the first connecting flange 302, and the top is connected to the upper cover connector 303 and welded.

[0049] In some of the embodiments, Fig. 9 and Fig.10 As shown, the sealed cabin body 400 is an integrated welded structure, which is made of stainless steel or aluminum alloy. The sealed cabin body 400 includes a coaxially arranged sealing cylinder 401, a base 402 and a second connecting flange 403. The sealing cylinder 401 is a hollow cylindrical structure, the bottom of which is welded to the base 402, and the top periphery is welded to the second connecting flange 403.

[0050] In addition, if Figure 4 , Fig. 9 and Fig.10 As shown, the manual simple experimental hydraulic testing machine also includes a sealing gasket 600, which is made of rubber material and is sealed and installed between the second connecting flange 403 and the first connecting flange 302 through the locking bolt 500, and is used to ensure the sealing of the connection between the sealing cabin cover 300 and the sealing cabin body 400 to avoid water leakage.

[0051] like Figures 1 to 4 As shown, the manual simple experimental hydraulic tester is used as follows: first, the pressurized water pipe 200 is used to connect the sealed cabin cover 300 with the manual pressure test pump 100 to form a water pressure passage; the new material to be tested is placed in the sealed cabin body 400, and the sealing cabin cover 300 and the sealing gasket 600 are sealed and installed on the top of the sealed cabin body 400 by using the locking bolt 500; then the pressure rod 105 is manually pressed up and down to press the water in the water tank 101 into the sealed test cabin through the pressurized water pipe 200 until the water pressure gauge 312 reaches the preset water pressure value, and the pressurization is stopped; after a period of rest, the pressure relief valve 313 is opened to reduce the water pressure in the sealed test cabin, and then the sealed cabin cover 300 is disassembled, the test material is taken out, and the water absorption rate and strength of the material are tested.

[0052] The manual simple experimental water pressure testing machine is mainly composed of a manual pressure testing pump 100, a sealed cabin upper cover 300 and a sealed cabin body 400. The new material to be tested is placed in the sealed cabin body 400, and water is injected into the sealed cabin body 400 through the manual pressure testing pump 100, and the water pressure in the sealed cabin body 400 is controlled to reach a certain hydraulic condition to meet the material water absorption rate and compressive strength test requirements; and the water pressure testing machine has a reasonable and novel structural design, simple and convenient operation, good applicability, and realizes that the hydrostatic pressure resistance can be arbitrarily adjusted within a range, with high efficiency and stable performance, thereby improving the test accuracy and test efficiency.

[0053] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0054] Secondly, the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0055] Finally, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A manual simple experimental hydraulic testing machine, characterized in that: It includes a manual pressure test pump, a sealed cabin cover and a sealed cabin body, wherein: the pressure port of the manual pressure test pump is connected with the water inlet at the top of the sealed cabin cover through a pressure water pipe; the first connecting flange at the lower end of the sealed cabin cover and the second connecting flange at the top of the sealed cabin body are detachably connected by a plurality of locking bolts.

2. The manual simple experimental hydraulic testing machine according to claim 1 is characterized in that: The manual pressure test pump comprises a water tank, a pump cabin, a pump body, a plunger, and a pressure rod, wherein: The pump cabin is arranged at one end of the water tank, the pump body is installed therein, and the pump body is installed with the plunger which can be compressed and lifted up and down; The middle front end of the pressure rod is hingedly connected to the top end of the plunger, and the front end is hingedly connected to a fixing plate fixedly arranged on the pump body through a connecting rod.

3. The manual simple experimental hydraulic testing machine according to claim 2 is characterized in that: The manual pressure test pump also includes a water suction port and a pressure port, wherein: The water suction port is arranged at the lower end of the inner side wall of the pump cabin, is located at the bottom of the water tank, and is communicated with the bottom of the pump body; The pressurizing port is located on the side wall of the pump body and is communicated with the pump body, and cooperates with the plunger and the pressure rod to form a well-pressurizing manual water pump structure.

4. The manual simple experimental hydraulic testing machine according to claim 3 is characterized in that: The manual pressure test pump also includes a pressure test pump ball valve, a four-way joint, a water pressure gauge and a pressure relief valve, wherein: One end of the pressure test pump ball valve is threadedly connected to the pressure port, and the other end is threadedly connected to the four-way joint; The other end of the four-way joint is connected to the pressurized water pipe, the water pressure gauge is threadedly installed on the top, and the pressure relief valve is installed on the side end.

5. The manual simple experimental hydraulic testing machine according to claim 2 is characterized in that: The manual pressure test pump also includes an anti-skid pad or a running wheel, wherein: There are four anti-skid pads or four running wheels, which are respectively installed at the four corners of the bottom of the water tank.

6. The manual simple experimental hydraulic testing machine according to claim 1, characterized in that: The other end of the pressurized water pipe is threadedly connected to the water inlet at the top end of the sealed cabin upper cover through a sealed cabin ball valve.

7. The manual simple experimental hydraulic testing machine according to claim 1 is characterized in that: The sealed cabin upper cover comprises a conical cover body, a first connecting flange and an upper cover connector which are coaxially arranged, wherein: The cone cover body is a conical cylindrical structure, and its bottom circumference is welded to the first connecting flange, and the top is connected to the upper cover connecting head and welded.

8. The manual simple experimental hydraulic testing machine according to claim 1 is characterized in that: The sealed cabin body comprises a coaxially arranged sealing cylinder, a base and a second connecting flange, wherein: The sealing cylinder is a hollow cylindrical structure, the bottom of which is welded to the base, and the top peripheral body is welded to the second connecting flange.

9. The manual simple experimental hydraulic testing machine according to claim 8, characterized in that: Also included is a sealing gasket, wherein: The sealing gasket is made of rubber and is sealed and installed between the second connecting flange and the first connecting flange through the locking bolts.

10. The manual simple experimental hydraulic testing machine according to claim 1, characterized in that: The sealed cabin upper cover and the sealed cabin body are both integral structures and are made of stainless steel or aluminum alloy.

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